Geometry Chapter 1 Vocabulary

A measurable part of a line that consists of two points called endpoints and all the points between them.

A location. Neither shape nor size.

A segment, line, or plane that intersects a segment at its midpoint.

<p>A polygon with all congruent angles.</p> Signup and view all the answers

<p>A polygon for which there is a line containing a side of the polygon that also contains a point in the interior of the polygon.</p> Signup and view all the answers

<p>An angle with a degree measure greater than 90.</p> Signup and view all the answers

<p>A line that intersects two or more lines at two different points.</p> Signup and view all the answers

<p>Lines that do not intersect and are not coplanar.</p> Signup and view all the answers

<p>Angles that lie on the same side of the transversal and on the same side of the line.</p> Signup and view all the answers

<p>Non-adjacent inside angles that lie on opposite sides of the transversal.</p> Signup and view all the answers

<p>A reasoning that uses a number of specific examples to arrive at a conclusion.</p> Signup and view all the answers

<p>A segment that connects any two nonconsecutive vertices.</p> Signup and view all the answers

<p>A quadrilateral with both pairs of opposite sides parallel.</p> Signup and view all the answers

<p>A parallelogram with 4 congruent sides.</p> Signup and view all the answers

<p>A parallelogram with 4 congruent sides and 4 right angles.</p> Signup and view all the answers

<p>A quadrilateral with one pair of parallel sides.</p> Signup and view all the answers

<p>A segment that connects the midpoints of the legs.</p> Signup and view all the answers

<p>Rays that share a common endpoint and are collinear.</p> Signup and view all the answers

<p>A common endpoint of the angle.</p> Signup and view all the answers

<p>Words, usually readily understood that are not formally explained by means of more basic words and concepts.</p> Signup and view all the answers

<p>A statement that can easily prove using a theorem.</p> Signup and view all the answers

<p>An educated guess.</p> Signup and view all the answers

<p>An example used to show that a given statement is not always true.</p> Signup and view all the answers

<p>Uses statements written in boxes and arrows to show the logical progression of an argument.</p> Signup and view all the answers

<p>Two congruent sides.</p> Signup and view all the answers

<p>The angle formed by two sides of a polygon that is a side of each of two angles.</p> Signup and view all the answers

<p>A segment from a vertex of the triangle to the line containing the opposite side and perpendicular to that side.</p> Signup and view all the answers

<p>A line/segment/ray that passes through the midpoint of a side and is perpendicular to that side.</p> Signup and view all the answers

<p>Point of intersection of concurrent lines.</p> Signup and view all the answers

<p>Lines containing the altitudes of a triangle are concurrent, intersecting at a point.</p> Signup and view all the answers

<p>Point of concurrency of the medians of a triangle.</p> Signup and view all the answers

<p>Point of concurrency of the perpendicular bisector of a triangle.</p> Signup and view all the answers

<p>A line segment with endpoints that are a vertex of a triangle and the midpoint of the side opposite the vertex.</p> Signup and view all the answers

<p>Reasoning that assumes that this assumption leads to a contradiction of the hypothesis like a postulate theorem, or corollary.</p> Signup and view all the answers

<p>Non-adjacent inside angles that lie on opposite sides of the transversal.</p> Signup and view all the answers

<p>Terms that are explained using defined terms or other defined terms.</p> Signup and view all the answers